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Screening contacts of patients with extrapulmonary TB for latent TB infection
  1. Anna Humphreys1,
  2. Aula Abbara2,3,
  3. Sion Williams3,
  4. Laurence John3,
  5. Tumena Corrah3,
  6. Alastair McGregor3,
  7. Robert N Davidson3
  1. 1School of Medicine, Imperial College, London, UK
  2. 2NHLI, Imperial College, London, UK
  3. 3Department of Infectious Diseases, Northwick Park Hospital, London, UK
  1. Correspondence to Dr Aula Abbara, TB Services, Lister Unit, Northwick Park Hospital, Watford Road, London HA1 3UJ, UK; aula.abbara{at}gmail.com; a.abbara15{at}imperial.ac.uk

Abstract

2016 TB National Institute for Health and Care Excellence (NICE) guidelines imply that contacts of extrapulmonary TB do not require screening for latent TB infection. At our high TB prevalence site, we identified 189 active cases of TB for whom there were 698 close contacts. 29.1% of the contacts of pulmonary TB and 10.7% of the contacts of extrapulmonary TB had active or latent TB infection. This supports screening contacts of extrapulmonary TB at our site and presents a way to access high-risk individuals. We propose to continue to screen the contacts of our patients with extrapulmonary TB and recommend other TB units audit their local results.

  • Tuberculosis
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Footnotes

  • Contributors RND conceived the idea, co-wrote and edited the manuscript. AH and SW collected the data. AA co-wrote and edited the data and table. LJ, TC and AM edited the manuscript and made suggestions for the data collection.

  • Competing interests None declared.

  • Provenance and peer review Not commissioned; externally peer reviewed.

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